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| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2019 | DAWSON GEOPHYSICAL CO | DWSN | 0 | -93,818 | 0 | -200,000 | |
| 09/30/2019 | DAWSON GEOPHYSICAL CO | DWSN | 93,818 | 0 | 200,000 | -35,000 | $2.13 |
| 06/30/2019 | DAWSON GEOPHYSICAL CO | DWSN | 93,818 | 0 | 235,000 | -40,000 | $2.50 |
| 03/31/2019 | DAWSON GEOPHYSICAL CO | DWSN | 93,818 | -56,419 | 275,000 | -233,000 | $2.93 |
| 12/31/2018 | DAWSON GEOPHYSICAL CO | DWSN | 150,237 | -80,030 | 508,000 | -917,000 | $3.38 |
| 09/30/2018 | DAWSON GEOPHYSICAL CO | DWSN | 230,267 | 0 | 1,425,000 | -394,000 | $6.19 |
| 06/30/2018 | DAWSON GEOPHYSICAL CO | DWSN | 230,267 | 10,959 | 1,819,000 | 341,000 | $7.90 |
| 03/31/2018 | DAWSON GEOPHYSICAL CO | DWSN | 219,308 | -1,777 | 1,478,000 | 379,000 | $6.74 |
| 12/31/2017 | DAWSON GEOPHYSICAL CO | DWSN | 221,085 | -1,760 | 1,099,000 | 90,000 | $4.97 |
| 09/30/2017 | DAWSON GEOPHYSICAL CO | DWSN | 222,845 | 200,000 | 1,009,000 | 135,000 | $4.53 |
| 06/30/2017 | DAWSON GEOPHYSICAL CO | DWSN | 22,845 | 0 | 874,000 | 690,000 | $38.26 |
| 12/31/2016 | DAWSON GEOPHYSICAL CO | DWSN | 22,845 | 9,312 | 184,000 | 81,000 | $8.05 |
| 09/30/2016 | DAWSON GEOPHYSICAL CO | DWSN | 13,533 | 0 | 103,000 | -7,000 | $7.61 |
| 06/30/2016 | DAWSON GEOPHYSICAL CO | DWSN | 13,533 | 0 | 110,000 | 67,000 | $8.13 |
| 03/31/2016 | DAWSON GEOPHYSICAL CO | DWSN | 13,533 | 13,533 | 62,000 | 62,000 | $4.58 |
| 12/31/2015 | DAWSON GEOPHYSICAL CO | DWSN | 5,456 | 5,456 | 19,000 | 19,000 | $3.48 |
| 09/30/2015 | DAWSON GEOPHYSICAL CO | DWSN | 22,209 | 14,961 | 84,000 | 50,000 | $3.78 |
| 06/30/2015 | DAWSON GEOPHYSICAL CO | DWSN | 7,248 | 7,248 | 34,000 | 34,000 | $4.69 |
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